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/*
* Copyright (c) 2017 Richard Braun.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ARM_BOOT_H
#define _ARM_BOOT_H
#include <kern/macros.h>
#include <machine/page.h>
#include <machine/pmap.h>
#include <machine/pmem.h>
/*
* Size of the stack used when booting a processor.
*/
#define BOOT_STACK_SIZE PAGE_SIZE
#define BOOT_LOAD_SECTION .boot.load
#define BOOT_TEXT_SECTION .boot.text
#define BOOT_DATA_SECTION .boot.data
#define BOOT_KERNEL_OFFSET (PMAP_START_KERNEL_ADDRESS - PMEM_RAM_START)
#define BOOT_RTOL(addr) ((addr) - PMEM_RAM_START)
#define BOOT_VTOL(addr) ((addr) - PMAP_START_KERNEL_ADDRESS)
#define BOOT_VTOP(addr) ((addr) - BOOT_KERNEL_OFFSET)
#define BOOT_PTOV(addr) ((addr) + BOOT_KERNEL_OFFSET)
#define BOOT_MEM_BLOCK_BITS 10
#define BOOT_MEM_NR_FREE_LISTS 5
#ifndef __ASSEMBLER__
#include <stdnoreturn.h>
#include <kern/init.h>
/*
* Macros for boot code and data, respectively.
*
* Note that all boot data end up in the same section, which means they
* can't have conflicting qualifiers. As a result, boot data may not be
* declared const.
*/
#define __boot __section(QUOTE(BOOT_TEXT_SECTION))
#define __bootdata __section(QUOTE(BOOT_DATA_SECTION)) __attribute__((used))
/*
* Boundaries of the .boot section.
*/
extern char _boot;
extern char _boot_end;
noreturn void boot_panic(const char *s);
/*
* Log kernel version and other architecture-specific information.
*/
void boot_log_info(void);
/*
* This init operation provides :
* - all console devices are bootstrapped
*/
INIT_OP_DECLARE(boot_bootstrap_console);
/*
* This init operation provides :
* - all console devices are fully initialized
*/
INIT_OP_DECLARE(boot_setup_console);
/*
* This init operation provides :
* - physical memory has been loaded to the VM system
*/
INIT_OP_DECLARE(boot_load_vm_page_zones);
/*
* This init operation provides :
* - all interrupt controllers have been registered
*/
INIT_OP_DECLARE(boot_setup_intr);
/*
* This init operation provides :
* - all shutdown operations have been registered
*/
INIT_OP_DECLARE(boot_setup_shutdown);
#endif /* __ASSEMBLER__ */
#endif /* _ARM_BOOT_H */
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